Nanocrystalline pyrochlore AgSbO 3: Hydrothermal synthesis, photocatalytic activity and self-stable mechanism study - Details

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Abstract：

Nanocrystalline　pyrochlore　AgSbO　3　has　been　successfully　synthesized　by　a　facile　hydrothermal　method　and　was　fully　characterized　by　X-ray　diffraction　(XRD),　UV-vis　diffuse　reflectance　spectroscopy　(DRS),　scanning　electron　microscopy　(SEM)　and　X-ray　photoelectron　spectroscopy　(XPS).　The　as-prepared　pyrochlore　AgSbO　3　showed　a　higher　photocatalytic　activity　in　the　degradation　of　typical　dye　as　compared　to　that　prepared　by　the　solid-state　reaction.　The　photocatalytic　mechanism　of　pyrochlore　AgSbO　3　and　its　stability　during　photocatalytic　reactions　was　investigated.　It　was　found　that　pyrochlore　AgSbO　3　can　maintain　its　structure　stability　and　photocatalytic　activity　under　visible　light　irradiations　by　partial　formation　of　metallic　Ag　and　Ag　2O　on　its　surface　during　the　photocatalytic　degradation　of　organic　pollutants.　This　study　provides　some　new　insights　into　the　photocatalytic　mechanism　of　Ag-based　multi-metal　oxide　photocatalysts.　©　2012　Elsevier　B.V.

Keyword：

Hydrothermal; Photocatalytic; Pyrochlore AgSbO 3; Self-stable mechanism; Visible light

Community：

[ 1 ] [Liu, W.]Research Institute of Photocatalysis, Fujian Provincial Key Laboratory of Photocatalysis-State Key Laboratory Breeding Base, Fuzhou University, Fuzhou 350002, China
[ 2 ] [Liu, X.]Research Institute of Photocatalysis, Fujian Provincial Key Laboratory of Photocatalysis-State Key Laboratory Breeding Base, Fuzhou University, Fuzhou 350002, China
[ 3 ] [Fu, Y.]Research Institute of Photocatalysis, Fujian Provincial Key Laboratory of Photocatalysis-State Key Laboratory Breeding Base, Fuzhou University, Fuzhou 350002, China
[ 4 ] [You, Q.]Research Institute of Photocatalysis, Fujian Provincial Key Laboratory of Photocatalysis-State Key Laboratory Breeding Base, Fuzhou University, Fuzhou 350002, China
[ 5 ] [Huang, R.]Research Institute of Photocatalysis, Fujian Provincial Key Laboratory of Photocatalysis-State Key Laboratory Breeding Base, Fuzhou University, Fuzhou 350002, China
[ 6 ] [Liu, P.]Research Institute of Photocatalysis, Fujian Provincial Key Laboratory of Photocatalysis-State Key Laboratory Breeding Base, Fuzhou University, Fuzhou 350002, China
[ 7 ] [Li, Z.]Research Institute of Photocatalysis, Fujian Provincial Key Laboratory of Photocatalysis-State Key Laboratory Breeding Base, Fuzhou University, Fuzhou 350002, China

Reprint 's Address：

[Li, Z.]Research Institute of Photocatalysis, Fujian Provincial Key Laboratory of Photocatalysis-State Key Laboratory Breeding Base, Fuzhou University, Fuzhou 350002, China

Email：

zhaohuili1969@yahoo.com

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Source ：

Applied Catalysis B: Environmental

ISSN： 0926-3373

Year： 2012

Volume： 123-124

Page： 78-83

5 . 8 2 5

JCR@2012

2 0 . 3 0 0

JCR@2023

JCR Journal Grade：1

CAS Journal Grade：1

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WoS CC Cited Count：

SCOPUS Cited Count： 51

ESI Highly Cited Papers on the List： 0 Unfold All

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Chinese Cited Count：

30 Days PV： 2

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